57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
package rest
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import (
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"encoding/json"
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"errors"
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"net/http"
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"gitea.dwysokinski.me/Kichiyaki/notificationarr/internal/domain"
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)
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//go:generate counterfeiter -generate
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var (
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errInternal = domain.NewError(
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domain.WithCode(domain.ErrorCodeUnknown),
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domain.WithMessage("internal server error"),
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)
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)
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type APIError struct {
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Code string `json:"code"`
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Message string `json:"message"`
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}
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type ErrorResponse struct {
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Error APIError `json:"error"`
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}
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func renderErrorResponse(w http.ResponseWriter, err error) {
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var convError domain.Error
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if !errors.As(err, &convError) {
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convError = errInternal
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}
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renderJSON(w, errorCodeToHTTPStatus(convError.Code()), ErrorResponse{
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Error: APIError{
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Code: convError.Code().String(),
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Message: convError.Message(),
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},
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})
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}
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func errorCodeToHTTPStatus(code domain.ErrorCode) int {
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switch code {
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case domain.ErrorCodeValidation:
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return http.StatusBadRequest
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case domain.ErrorCodeIO:
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return http.StatusServiceUnavailable
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case domain.ErrorCodeUnknown:
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fallthrough
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default:
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return http.StatusInternalServerError
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}
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}
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func renderJSON(w http.ResponseWriter, status int, data interface{}) {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(status)
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_ = json.NewEncoder(w).Encode(data)
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}
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